300 blackout subsonic unsuppressed

This will add versatility and a broader range of uses for this great platform. by hugegator Mon Feb 06, 2012 7:34 pm, Post line-height: 1.5; Although still considered to be on the higher end of the price spectrum, supersonic 300 BLK is the slightly more affordable option sitting at $0.75 - $1.15 per round. It gives one performance close to that of a .308 Win in a more short action such as the AR's have. This was never listed in their product description, manuals, or even in their FAQs. If I was not into NFA items I would not own a BLK rifle. Performance of 300 Blackout Subsonic meets or exceeds FBI Protocol terminal ballistic test requirements. Whats more, subsonic ammo is a good deal lower pressure than supersonic ammo, which has a SAAMI max limit of 55,000 PSI (most is around 50-52,000); most subsonic loads are running 30-35,000. First, compared to the .223 Remington, you're launching a larger caliber and heavier bullet at supersonic speeds. 300BLK is great if and ONLY if you are a reloader. The pistol-length-port location requires the least amount of post-build tuning to get 100-percent reliability. Hopefully, this thread will have a few more good responses and I'll just post a link to this discussion whenever a new 300 owner decides to ruin their barrel. Guess, I could all ways turn the 300 into a home defense carbine and load the heavier bullets. If anything, its the heavier bullets that are more likely to keep going. Depending on the load, some 300 blackout subsonic rounds are quiet enough to comfortably use without ear protection. MjQxYzgwMWFlN2IyYmNlZWI5N2JjZGQ0ZGU1MzQyZmI5MWMwODk1ZjUxYmMw Given an option, a little larger-diameter gas port adds more assurance that a subsonic will work through an otherwise supersonic setup. So if youre set on trying out 300 Blackout yourself, complete a build with your own 80 percent lower receiver today with an easy to use universal. Now I want a 16". I feel the concept by design puts less stress on the internal parts and I hope manufacturers continue developing in that direction in order to better refine how we adjust ar gas systems. These advantages are powerful features of subsonic rounds and are made the most effective when applied with a suppressor device. I assembled (hard to really say built) an Alpha Shooting Sports 10.5 .300 pistol upper with Nitride coated bag and with an Aero Precision lower, and have a Mystic X silencer. 300 BLK is known for subsonic performance but one cannot discount the great performance of supersonic offerings as well. That's why I have 3. Given equal penetration a larger bullet will damage more tissue and cause more bleeding. I like 6.5G and 6.8 alot as well, but the mags and bolts are annoying and more cost. Bleed off/non restrictive, finger adjustable, battle proven, reliable. Thanks for the info and well reasoned opinions. Due to NFA laws in my home state, two different guns were used for this test. So while many believe .45 ACP to be the mighty fist of God, we know today that pretty much ALL handgun rounds are pretty terrible at stopping threats. Theyre not normally as overt, but theyre thereextra-quick bolt unlocking, excessive carrier velocity and on down that list. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. 300 blk shines brightest when its suppressed right? The only real advantages of an expanding subsonic over an expanding supersonic in a home defense situation are (in no particular order): Buy Discreet Ballistics 188gr Selous 300BLK Subsonic. Most factory .300 Blackout subsonic loads are a little more powerful than a routine .45 ACP handgun loading, if we're going on (the admittedly incomplete) calculated energy figures. YjYzYTFjNjg3ODIxNzc4MTIwMDYxZmFlYjc5YjAzZjQzODIxYTUzNTYwZDlj While subsonic ammunition surely does have its benefits when it comes to covert operations, close range, and personal defense, this kind of bullet is not ideal for the big game hunter. OK, so it is a ridiculous thing to open up ports and basically ruin perfectly good barrels. The difference between subsonic rounds and supersonic rounds, as implied by their etymology, remain in their ability to break the sound barrier determined by how fast the projectile travels. NjZmMjljMGU3ZmYwMTE4YjM1NmVlNzEwZmQ4YjdhN2VhZWEyZWRmM2Y1YmJl Y2JlY2Q1YmJhNWYxMjYxZTFhNDI1Yzg0N2U1MmMzZGJlY2U3MTk5ODY0MTdk There are a couple other AR conversions that work better at being supersonic only. I agree, but not for some reasons commonly given. ( 3) Write a Review Ask a Question. Y2ZiMWUwMjljYjc2NjMyZDRjOTA0ZTkxMzk2MGEzMWVmMjFmYWVlOTdjZjFm At 200 yards, the 60.5 inch bullet drop of a .45 round is similar to a .300 Blackout subsonic round. user-select: none; by 300Blk Mon Feb 06, 2012 7:44 pm, Post As far as reliability and changing the system from sub to supersonic on a pistols length ar pistol, I have had luck using the superlative arms non restrictive bleed off style gas block. NetJnkie 6 yr. ago Oh duh. .btn-warning { MGQ3NDgzZjU3MzUxOGM3ZmI4ZGY1NWNkMjkwNDhjZTZkZTU2YjI4MDk3YjU3 I have AR's in .22, 9mm, x39, .223, 6.5G and .308. I've thought about building a .300, but don't see the need.. There's no purpose in running subs uncanned. With high-quality cartridge cases and primers, Subsonic Ammunition offers the performance and accuracy shooters have come to expect from Hornady. Done like that, the relatively tiny amount of fast-burning propellant behind that honking .30-caliber bullet gets put to work effectively because the pressure at the gas port is higher. As everyone does know, it takes most of a year to get the ATF tax stamp approval for a suppressor, which means youre stuck with a pistol that you cant use, without damaging it, for a long time. font-weight: 400; Share your tips in the comment section below. In a possible third part of the series, Im considering asking a few hunters and invasive species control experts (wild hog eradicators) for their opinion. That is what AAC designed the 300 blk to do and they know how to do it. It is still fun to shoot, even though i now have an 8.5" sbr suppresssed. It may not display this or other websites correctly. The value of the 300 Blackout boils down to two factors. If this is a primary concern and you think you'll be shooting at targets within 100 yards then subsonic rounds complimented with a suppressor device is worth exploring. Actually by far the most work being done for 300 BLK is supersonic. Home defense in its most typical form is about getting yourself and your loved ones off the X. Notify me of follow-up comments by email. Sub Sonic Ammo out of an Unsuppressed 300 Blackout Young and Tactical 3.49K subscribers 213 25K views 3 years ago In this video Trent shoots his 300 blackout to see if it can run sub. A heavier buffer and spring, or an adjustable gas block, can provide the cushion the supersonic needs to avoid over-function.. .300 Blackout subsonic is not ideal for medium to long range hunting, as the velocity and kinesthetic shock is greatly lowered from the supersonic. by offsidewing Mon Feb 06, 2012 10:34 pm, Post 300 Blackout subsonic is one of the quietest rounds to suppress, particularly when fired through a closed breech firearm like a bolt action or single shot rifle. Based on these points, for stopping a human target as quickly as possible, what would favor the subsonic .300 over the 45? Subsonic bullets generally boast a lighter recoil than their speedy relatives, and have an added weight coming to around 180-220 grains in a standard .300 Blackout load. Almost forgot about ammo. From experience the .300blk subsonic is an amazingly fun round to shoot suppressed and it's the only way to shoot it reliably, but it's well worth it! Thoughts or ideas? Supersonic 300BLK can have nearly three times the kinetic energy as a subsonic 300BLK. Running subsonics out of a 16" gun and suppressed is almost hollywood quiet. MjgxYmJjNjRlYjU0NTA4Y2QxZmMxNmNkZjVlOTUzM2M2YzUyYWZkM2E1M2U3 Just a bit about the whole defensive rifle debate: some say something like 5.56 is not a good choice for home defense. A heavier grain, typically around 180-220 grains, introduces more weight to the projectile, preventing the bullet from exceeding speeds that would break the sound barrier like a supersonic round normally would. Buy American Eagle 300BLK 200gr Suppressor. But if you are spending close to $1 per round for quality factory ammo, I thought it might be a good idea to take a look at some actual decibel meter comparisons between between top brands. Supersonic 300BLK can have nearly three times the kinetic energy as a subsonic 300BLK. I also discovered that some commercial .300 blackout pistols (like the CMMG Banshee 200) will not even cycle subsonic ammunition reliably without a suppressor attached. Subsonic rounds have about the same energy on target as a .45 ACP round. Running subsonic through my purpose-build supersonic blackout required changing a different buffer and a shortened spring and it runs, but its sluggish. 300blk subs are POINTLESS to run without a can, theyre still loud, less effective and unreliable, with a can yes they are super quiet and badass. Unless you have rare earth metals coming out consistently from at least one end of your body the average person might not be able to afford consistent training with subsonic 300 BLK to be proficient. MWUwMTJhYWQ1MzViMzNjMzIzMTFmOTIxMWU0NjA0Nzg5ZTIyMTgwNDUwMjg4 For precisely this reason, hunting with subsonic 300 blackout is generally not advised in most scenarios unless youre taking on wild pigs or smaller sized game within short distances. Speed equals energy, so (typically), the faster a bullet can travel, the better. Hornady Subsonic Ammunition doesnt have the loud report of a supersonic round, and paired with a suppressor, its even quieter. I don't think the 300blk is the best supersonic only round. Brad Criner, Senior Director Sig Sauer Ammunition. I shoot both suppressed and unsuppressed, I reload and I think the .300 BLK is one of the most economical and useful cartridges I have owned. Go 300blk pistol. MjFlNGIwYjNkNjAzOWNhNTg4NTk2Y2VhODViMjg3YmI4OTgwMmExYmVmNDlk First, supersonic ammunition was tested unsuppressed through a custom AR-15 pistol with a Brownells 10.5-inch .300 Blackout barrel with a 1-in-8-inch twist rate. Honestly, my main interest is in the short, subsonic, suppressed, select fire 300 black. First, Im always willing to risk boring knowledgeable readers with really basic information because its important to start at the start. Subsonic 300 Blackout ammo is effective for the former two characteristics but falls short in almost every other category: effective range, terminal ballistics, bullet trajectory and cost efficiency. Kind of like haircuts: they can take it off but cant put it back. A suppressed supersonic load will have a lot more gas coming back into the action compared to an unsuppressed subsonic load (these two examples are the extremes). Being able to start a fight quietly, and then with a quick change of a magazine, you can have a full-power round. Please keep it civil people. Have you had success getting good function from a .300 Blackout? The price of subsonic 300 BLK now averages $1.15 - $2.85 per round (Consider this cost if you plan on using subsonic 300 BLK to shoot follow up shots rapidly on target). Supersonic .300 Blackout ammunition replicates the ballistics of 7.62x39mm, used by classic AK pattern rifles, but with cartridge dimensions designed with the AR-15 magazine in mind Accuracy is determined by spin stabilization, and 1:8 is sufficient at subsonic speeds for up to 225gr BTHPs; transonic for 240grs. No it is NOT worth it unless you are going to go shorter than 10.5". I reload all my stuff so factory ammo prices aren't a consideration for me. transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out; I can say that it hasnt seized up the way other restrictive style blocks have, and I feel thats a good sign. Here is what I know about full power ammo: Excellent, more than enough variety to make a decision. Some of you stated that you would pick heavier and quieter rounds to preserve situational awareness and communication abilities. YTMyZGRiMDU5NDZiNjA1ZmIwMjgwZTgwMWE0ODkxZGYwMzFiZWRjMTU3In0= NmYzMzU2MjU0YmYzZjg4NDg1MTU4MWE0NDc4ZWUyODcyZTAwNjVhMmQxMjcy 300 Blackout Ballistics Test Results. Full Feature: Anderson Manufacturing Kiger 9C Pro 9mm, Throwback Thursday: 5 Long-Slide Pistols I Can't Live Without, The History Fixed and Adjustable Iron Sights, Rifle Hack: Sighting for 100 Yards at a Distance of 25 Yards, Throwback Thursday: All About Bullet Grain. MWZhMzE4M2MxNmUzYTg2YmQxN2ZjMWFjOWY0ZWFjYThkZTNjZjU0NzJiZGEy I probably would since you've already got the 6.8 spc rifles. NmE5NjE4NzI1MTU2M2FjYWM3NDE4NTAzODdlOWYwZmVmMGYxZDUxNjllOWE5 I like it especially in the shorter guns, and, around here at least, its looked on as an effective Whitetail cartridge choice. Router Jig Extreme (compatible with any AR caliber). Understatement: .300 Blackout (aka AAC) is a popular cartridge among AR-15 fans. Subsonic rounds hold two advantages over supersonic rounds: quietness and less recoil. So says every major hunting publication and its writers. In terms of ballistics and terminal performance, supersonic is where 300 BLK really shines, especially in SBRs, and especially compared to 5.56 for short to mid-range use. 220gr .300 Blackout is extremely quiet, and competes with the famous MP5-SD in terms of stealthiness. MzEzZWEzN2Y4MzNkYzJlMGFlOGE1Y2Q4ZTA0ZjVhMjEzYTgxNDI4NjAwMGMx Post I dont know how many have fired a 5.56 AR-15 carbine inside a room, but its sensory overload. Basically run it like a subgun. Besides several Blackouts I shoot with short bbls and suppressed, I also have some 16" rifles. I enjoy them just as much as the short ones. I obviously misread. A supersonic 300BLK round that does not deform or tumble in soft tissue will create only marginally more trauma that a heavier non-deforming non-tumbling subsonic bullet. If you do use subsonic, make sure you know what that projectile is going to do at those slow speeds. }, Editor In Chief- TFB ZTUzMjk3MjYzOTAzZDg3ZjhhZjFiNTE1NjY0MjJlN2Q3NTc3YjUzNDE4ZWFm by 2bad4u2 Mon Feb 06, 2012 11:17 pm, Powered by phpBB Forum Software phpBB Limited. The loudest factors from using suppressed subsonic ammunition comes from the sound of the bullet impact and the bolt carrier group cycling back and forth (when using AR platforms). Subsonic Handgun utilizes tried-and-true XTP bullets that expand reliably at subsonic velocities. Whatever you shoot at will be able to know theyre being shot at immediately and they'll react appropriately. However, they let me use my SDN6 that's collecting dust in their safe while waiting for my Form 4 to be approved. The setup was equipped with a Trijicon AccuPoint 5-20X50 scope, dialed to 20X. I dont think thats really a factor. Posted April 10, 2019 in Ammunition, AR-15, Editorial, Subsonic Ammunition by Pete with No CommentsTags: 300 BLACKOUT, 300blk, Subsonic, supersonic, When we last left you, the discussion of choosing either subsonic or supersonic ammo for your 300BLK defensive weapon was in a full-on firefight. display: inline-block; by Recoil737 Fri May 27, 2011 4:38 am, Post OWEyN2JmMTE0ZGM2MzkxYjdhZDc1N2EzYzNhOGQzY2I4NDNkNTJkYjI1MDcy It cured the problem with supersonics, so I quit while I was ahead and only shoot those. I've only shot a couple through my 300's just to make sure they work and have been ratholing the rest as my wait should be over next month and I can break in the new can very well. Scan this QR code to download the app now. Until I started reading forums, I was unaware that .300BLK is expected to not cycle in a 9" unsuppressed rig, so I wanted to make it work properly with the only available ammo. I was shooting subsonics, while my suppressor sits in the gun store safe waiting for some schmuck to rubber stamp a form, because they're all that I could find. 300 Blackout 9" Noveske Barrel (pistol length gas system) STAG Upper and STAG Lower ? We stand behind all our products and were here to support you. white-space: nowrap; And! The 7.62x39mm is another that can be made to be a great subsonic cartridge (but most factory ammo is supersonic). The speed of sound (in reference to how it travels through air, like a bullet) is approximately 1,100 feet-per-second (fps) at sea level. I now am thinking it could be dwell time. Factory ammo is unreasonable high, but reloads can be as cheap as 223. } Before i got a 6.8, a 16" .300 unsuppressed was my primary hunting rifle. Yes. MTYwYjBhYWYzMjliNDdhNjMzYzAyOTM3Njg5MmU1NmYxOGZmYTY2NGU5NjE4 Thats port pressure. Not technically the same as chamber pressure, but its from the same source. So if youre set on trying out 300 Blackout yourself, complete a build with your own 80 percent lower receiver today with an easy to use universal by 300Blk Mon Feb 06, 2012 9:00 pm, Post For anything larger, or at distance, we would recommend going supersonic. The Sub-X bullet used in Subsonic Rifle features a lead core. So, despite what Ive heard from many theorizing, you really cant run supersonic and subsonic loads through the same gun, with no modifications having been made to the gun. Y2I4ZjgxMDJmNDg1ZGMwMzQ2NzFmN2E5YTcwZDQwZTViYmU5MDc5ZGE3OWU0 Subsonic .300 Blackout is plenty powerful, in my estimation, and with radically better shootability than a higher-pressure carbine loading. by doubloon Fri May 27, 2011 9:49 am, Post This setup will should work excellently with subs and supers, suppressed, suppressed, and any other situation you can throw at it.. Mostly correct. If you want a combat rifle with a hard-hitting round, .300blk has you covered. Supersonic is your traditional rifle round. Hornady Subsonic Ammunition designed for accuracy and performance below the speed of sound now comes in both rifle and handgun loads. What is the diameter that your expanded subsonic .300 will achieve in the human anatomy vs that of the much wider 45(+P or even non +P for that matter)? If no SBR, do an 8" pistol. Probably the most prolific in recent years is the .300 blackout, designed specifically to accommodate both subsonic and supersonic loads in the same rifle with minimal adjustments. Subsonics cycle with a suppressor almost universally with all barrel makes. .300 Blackout is an intermediate caliber that performs with a better ballistic capability than 5.56x45mm while retaining the same round capacity using a standard M4 magazine. NjI2MDFhZjNkMzY1NTA2MTQxNDNlYjJmMDNhNTQwOWM1ODc5MGRhZWY4Njlk For those 'go loud' engagements you could opt for supersonic rounds to take the ballistic advantage of full power rounds. Additionally, the lighter recoil also allows users to make faster hits on target in succession. A 16" .300 blackout gun running supers and suppressed is still pretty friggin quiet. Lucky or good Im not really sure which, but Ill take it. As a comparison, a 230 grain round of Federal JST .45ACP ammunition has a muzzle velocity of 863 fps and has 380 ft/lbs of energy at the muzzle when fired from a 1911. Is 300 blk worth it unsuppressed? I killed 2 deer this season with my 16" 300BLK. An AR-15 carrier is about a half-ounce lighter (though it varies with each manufacturer), and, working within this world of milliseconds, that matters. The preceding is a specially-adapted excerpt from Glens newest book, Americas Gun: The Practical AR15. M2UyMzRiN2ZjNmVlNjc2MzVhZWYxY2YyZTc3NThhMDkyMjY3YjllMDhkNGJm Essentially, all you'd need is an upper receiver with a 300 blackout barrel and you'd be good to go since the 300 blackout magazine is the exact same as normal STANAG/NATO magazines. Interested in picking up your own suppressor device? Suppressed 5.56 is around 135db. If you've chosen 300BLK to help accomplish this goal, you're on the right track. We utilize state of the art 5-axis CNC machines to mill all our .308 and AR-15 80 percent lower receivers to incredibly precise tolerances using premium billet aluminum. In fact, SOF Operators have reported shooting terrorists in one room of a house, and not having woken up bad guys sleeping in adjacent rooms. ZWQ5ZjU3NDlhM2VmNTg2NmYzZmJkOGM2YjFlNzU5MzQ2YTljNzhmNDBhYjc4 Even though you may not be sneaking through houses in Syria, being able to walk around or hunt without EarPro and not have to worry about your hearing if you take a shot has significant advantages. Optimal performance is guaranteed if you run the barrel unsuppressed with supersonic ammo or suppressed with subsonics. On a different day, I traveled to a suppressor-friendly state and met up with . by bluebird Fri May 27, 2011 1:43 am, Post I have a feeling I know how most of them will answer, but Ive been wrong a few times in the past. There is Barnes RRLP in 300 BLK, though it may end up as LE/Mil only. Versus 6.8, you're not gaining anything but diameter. Discussion about rifles in 300 AAC BLACKOUT (7.62x35mm), hosted by the creator of the cartridge. by JasonAAC Fri May 27, 2011 10:14 am, Post You can always pickup a 300bl later. text-align: center; Not sure what diameter gas port it has My Problem - Supersonic rounds = seem to function fine / no problems Subsonic 300 Blackout has some of the best terminal ballistics of any subsonic round. NzAxZTZjNWI1YTkzYjU4MzU0Nzc0YTU2MjFmMmYyNGQ0OTk3N2ZmN2QzYmZh Introducing the latest products from the worldwide leader in ammunition. Matter of fact of the 5 deer I took this past season, 1 was with a Ruger American Ranch Rifle in 300BLK, and 1 was with a 16" Daniel Defense 300BLK. The backpressure will not be enough to run reliably (if at all), and the accuracy will will also suffer. And, yes, a supersonic blackout can have all the same extra-pressure-induced operation symptoms as a 5.56.
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